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[Bug tree-optimization/69468] tail merge should ignore private edge flags
- From: "vries at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 03 Jul 2017 07:26:05 +0000
- Subject: [Bug tree-optimization/69468] tail merge should ignore private edge flags
- Auto-submitted: auto-generated
- References: <bug-69468-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69468
--- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> ---
Author: vries
Date: Mon Jul 3 07:23:01 2017
New Revision: 249895
URL: https://gcc.gnu.org/viewcvs?rev=249895&root=gcc&view=rev
Log:
Ignore EDGE_{DFS_BACK,EXECUTABLE} in tail-merge
2017-07-03 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/69468
* tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
(find_same_succ_bb): Handle ignore_edge_flags.
* gcc.dg/pr81192.c: Update.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/pr81192.c
trunk/gcc/tree-ssa-tail-merge.c